.teacher_add_step{
    display: flex;
    align-content: center;
    justify-content: center;
    margin-top: 150px;
}
.teacher_add_step .max-button{
    width: 260px;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
    font-weight: 800;
}